External Motor Unit
The great turntables from the East (such as the legendary Mexlco) all used external motors for a very good reason; even in the finest transcription units with the ultimate in sub-chassis isolation one can hear the motor noise and even read it from the stylus signal on an oscilloscope. Thus it subtly modulates the music. We avoid this. We also avoid the need for a highly refined (and expensive) power supply by an external motor which drives a long thin belt.
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